547903

View detailed technical data, stock status, and sourcing information for: 547903
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-342-4670

Item Name Code

00051

Assigment Date

07/24/1991 (35 years ago)

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

0.1248 inches minimum and 0.1253 inches maximum bore diameter, 0.2470 inches minimum and 0.2473 inches maximum overall outside diameter, abmk and feat criticality code justification, used on a pitchlock regulator assembly special features, 0.250 inches minimum and 0.290 inches maximum overall width

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Width: 0.250 inches minimum and 0.290 inches maximum
Bore Diameter: 0.1248 inches minimum and 0.1253 inches maximum
Overall Outside Diameter: 0.2470 inches minimum and 0.2473 inches maximum
Criticality Code Justification: abmk and feat
Special Features: used on a pitchlock regulator assembly

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
547903	Needle Roller Bearing

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3110-01-342-4670?

The FSCG of the NSN 3110-01-342-4670 is 3110

Does the NSN 3110-01-342-4670 have a Schedule B code assigned?

Yes, the Schedule B code is 8482400000

Does NSN 3110-01-342-4670 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 3110-01-342-4670 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-01-342-4670 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 3110-01-342-4670 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Wed, Jul 24, 1991